package control;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import model.dao.StudentDao;
import model.entity.Student;

/**
 * Servlet implementation class GetLogin
 */
@WebServlet("/GetLogin")
public class GetLogin extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public GetLogin() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		boolean ishas=false; 
		String paramUser=(String)request.getParameter("user");
		HttpSession session=request.getSession(true);
		session.setAttribute("userName", paramUser);
		int user=Integer.valueOf(paramUser); 
		String pwd=request.getParameter("pwdtext");
		StudentDao stuDao=new StudentDao();
		List<Student> stuList=stuDao.getAllSelect();
		for (Student stu : stuList) {
			if((int)stu.getId()==user){
				ishas=true;
			}
		}
		
		response.setCharacterEncoding("utf-8");
		PrintWriter out=response.getWriter();
		
		if(ishas){
			out.print("UserExist");
			return;
		}else{
			out.print("NotFound");
		}
		
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
